Counter balance jib structure analysis of tower crane
塔式起重机平衡臂结构分析
Testing Modality Analysis for Jib and Counter Balance Boom of Tower Crane
塔式起重机起重臂, 平衡臂系统试验模态分析
Laughter is one of the body's safety valves, a counter balance to tension.
笑是人体得安全阀，反平衡紧张。
Counter next to set up platform balance, in addition to outside baggage should weigh on.
柜台旁边设置有台秤, 除了手提行李以外, 都要上秤。
Application of power bond graph on dynamic characteristics of a new counter balance valve
功率键合图在新型组合式平衡阀动态特性中的应用
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